lonely, alone, desolate, lone, solitary

動詞 desolate:

1. leave someone who needs or counts on you; leave in the lurch
   同義詞：abandon, forsake, desert
2. reduce in population
   同義詞：depopulate
3. devastate or ravage
   同義詞：lay waste to, waste, devastate, ravage, scourge

形容詞 desolate:

1. providing no shelter or sustenance
   同義詞：bare, barren, bleak, stark
2. crushed by grief

1. A novel in a style emphasizing the grotesque, mysterious, and desolate.
   哥特式小說著重描寫怪誕、恐怖和孤寂的小說
2. Land that is desolate, barren, or ravaged.
   荒原荒涼、貧瘠或遭到毀壞之土地
3. Bands of outlaws lived in the desolate mountains after breaking the laws.
   成群的歹徒犯法后棲身于荒山中。
4. The rocky, desolate surface of the moon.
   月球多石的、荒涼的表面

des.o.late

adj.（形容詞）

Devoid of inhabitants; deserted:
凄涼的：無人居住的；廢棄的：
例句：
.streets which were usually so thronged now grown desolate.(Daniel Defoe)
.過去擁擠的街道現(xiàn)在荒蕪了.(丹尼爾·迪福)

Barren; lifeless:
荒涼的；無生命的：
例句：
the rocky, desolate surface of the moon.
月球多石的、荒涼的表面

Rendered unfit for habitation or use:
使不適于居住或使用的：
例句：
the desolate cities of war-torn Europe.
歐洲經(jīng)過戰(zhàn)爭蹂躪的無法居住的城市

Dreary; dismal.
無生氣的；憂郁的
Bereft of friends or hope; sad and forlorn.See Synonyms at sad
失去朋友或希望的；傷心而孤獨的參見 sad
v.tr.（及物動詞）
des.o.lat.ed,des.o.lat.ing,des.o.lates[-l3t.]
To rid or deprive of inhabitants.
使無居民：除去居民
To lay waste; devastate:
使荒蕪；使荒廢：
例句：
.Here we have no wars to desolate our fields.(Michel Guillaume Jean de Crèvecoeur)
.這里，沒有戰(zhàn)爭來摧毀我們的土地.(米歇爾·紀(jì)堯姆·讓·德·克雷夫科爾)

To forsake; abandon.
使荒棄；放棄
To make lonely, forlorn, or wretched.
使孤獨，使凄涼，使憂郁

來源：
Middle English
中古英語
from Latin dôsôl3tus [past participle of] dôsôl3re [to abandon]
源自 拉丁語 dôsôl3tus [] dôsôl3re的過去分詞 [放棄]
dô- [de-]
dô- [前綴，表.使…離開.]
sôlus [alone] * see s(w)e-
sôlus [孤獨，獨自] *參見 s(w)e-

【引伸】
des.olately
adv.（副詞）
des.olateness
n.（名詞）
des.olat.er 或
des.ola.tor
n.（名詞）